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Cassandra port usage - how are the ports used?
When experimenting with Cassandra I've observed that Cassandra listens to the following ports:
7 Answers
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Python argparse command line flags without arguments
How do I add an optional flag to my command line args?
4 Answers
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emacs/elisp: What is the hash (pound, number sign, octothorp) symbol used for?
... circular structures. See the docs for Read Syntax for Circular Objects.
And then you have its use for denoting the base for integers, e.g. #x2c -> 44.
Plus more I'm sure.
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Convert JsonNode into POJO
...thing else. If your object coming in has more properties than the POJO has and you just want to ignore the extras you'll want to set this:
objectMapper.configure(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
Or you'll get an error that it can't find the property to set int...
json_encode() escaping forward slashes
...json_encode($str, JSON_UNESCAPED_SLASHES);
If you don't have PHP 5.4 at hand, pick one of the many existing functions and modify them to your needs, e.g. http://snippets.dzone.com/posts/show/7487 (archived copy).
Example Demo
<?php
/*
* Escaping the reverse-solidus character ("/", slash) is ...
How do you make lettered lists using markdown?
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It doesn't appear that standard Markdown has this capability. You can:
Use CSS, by putting this somewhere in your markdown document (note, this will effect all ordered lists in the document)
<style type="text/css">
ol { list-style-type: u...
Passing arguments to require (when loading module)
...e would return the bare generator method on subsequent calls to require(), and if you passed args to require()(someargs) you would get a different module back... maybe I am missing something
– Tom H
Dec 15 '17 at 22:21
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How to use subprocess popen Python
...ata. A clever attacker can modify the input to access arbitrary system commands. E.g. by inputting filename.swf; rm -rf / for the value of filename. However, this is only a problem, when the contents of your argument to Popen is insecure.
– Hans Then
Sep 26 '12...
Split string using a newline delimiter with Python
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It will work for \r\n and other type of line boundaries as well.
– Ashwini Chaudhary
Feb 26 '14 at 13:37
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How can I rollback a github repository to a specific commit?
...0 commits in it right now. I need to rollback the repository to commit 80, and remove all the subsequent ones.
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